EP2164549A1 - Endoscopic bite block for use with cannula - Google Patents
Endoscopic bite block for use with cannulaInfo
- Publication number
- EP2164549A1 EP2164549A1 EP08756647A EP08756647A EP2164549A1 EP 2164549 A1 EP2164549 A1 EP 2164549A1 EP 08756647 A EP08756647 A EP 08756647A EP 08756647 A EP08756647 A EP 08756647A EP 2164549 A1 EP2164549 A1 EP 2164549A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- patient
- bite block
- channel
- channel member
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0666—Nasal cannulas or tubing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00147—Holding or positioning arrangements
- A61B1/00154—Holding or positioning arrangements using guiding arrangements for insertion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
- A61M16/049—Mouthpieces
- A61M16/0493—Mouthpieces with means for protecting the tube from damage caused by the patient's teeth, e.g. bite block
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
- A61M16/0497—Tube stabilizer
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
- A61M16/0841—Joints or connectors for sampling
- A61M16/085—Gas sampling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0683—Holding devices therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/02—Gases
- A61M2202/0208—Oxygen
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
- A61M2230/43—Composition of exhalation
- A61M2230/432—Composition of exhalation partial CO2 pressure (P-CO2)
Definitions
- the present invention relates, in general, to bite blocks for use in endoscopic surgical procedures, and in particular, to endoscopic bite blocks for use in procedures involving sedation and analgesia systems.
- END6134WOPCT respiratory orifices usually accomplished via oral-nasal cannula. Difficulties sometimes arise, however, when simultaneously managing the scope, delivering supplementary oxygen, and sampling respiratory gasses via the oral cavity. If the oral cavity could be reserved for exclusive use by the endoscope and the nasal passages used for oxygen delivery and respiratory sampling, the difficulty would be greatly reduced. Unfortunately, this method would require that the patient inhale and exhale only through the nasal passages for the duration of the procedure; in a real-world scenario, however, this is not the case.
- a doctor may stick a finger inside a patient's mouth, outside of the bite block, in order to control the endoscope near the opening to the trachea or esophagus. This requires that the finger be inserted at least to the depth of the end of the bite block, which may cause the bite block to move around. This adds to the risk that, during all of the jostling of the bite block associated with the maneuvering of the endoscope and insertion of a finger, the oral ports of the cannula may be unintentionally relocated away from the oral cavity.
- END6134WOPCT It is therefore the object of the present invention to provide a bite block with means for locating and protecting the oral ports of an oral-nasal cannula and to facilitate simultaneous use of the oral cavity for an endoscopic diagnostic or surgical procedure, supplemental oxygen delivery, and respiratory sampling.
- FIG. 1 is a front perspective view of a bite block in accordance with the present invention
- FIG. 2 is back perspective view of a bite block in accordance with the present invention.
- FIG. 3 is a side view of a bite block in accordance with the present invention, shown in a section view of a patient's mouth;
- FIG. 4 is a perspective view of a bite block in accordance with the present invention and a typical oral-nasal cannula, shown together, interfaced as they would be used during a procedure;
- FIG. 5 is a front view of a bite block in accordance with the present invention.
- FIG. 6 is a side section view of a bite block in accordance with the present invention and a typical oral-nasal cannula, shown together, interfaced as they would be used during a procedure; and
- FIG. 7 is a rear perspective view of an alternate embodiment of the present invention.
- the bite block 8 of the present invention consists of a generally elliptical cylindrical main body 20, having a proximal end, which sits outside of a patient's mouth, and a distal end, which sits inside a patient's mouth.
- Main body 20 surrounds main oral passage 7, which is sized to allow for passage of an endoscope and ventilation of the patient.
- flange 14 Integral to the proximal end of main body 20 is flange 14, which sits outside of a patient's lips and serves both to locate bite block 8 relative to the patient's mouth and protect the patient's lips and teeth from an endoscope.
- Flange 14 is integral to main body 20 at distal surface 22. Attached at each side of flange 14 is strap attachment wing 6 for strap 19 that goes around the patient's head and helps secure bite block 8.
- a raised top surface 17 and bottom surface 18 for seating patient's upper teeth and lower teeth, respectively.
- upper protruding retention feature 9 Located at the distal end of top surface 17 is upper protruding retention feature 9, protruding up generally perpendicular to top surface 17.
- Upper protruding retention feature 9 serves as a stop to keep bite block 8 from being expelled from a patient's mouth by requiring the mouth (or more particularly, the teeth) to be opened wide enough to get around retention feature 9.
- bottom surface 18 is lower protruding retention feature 11 serving the same purpose.
- FIGs. 4 and 6 some features of the present invention are intended to interface with an oral-nasal cannula 1 , generally known in the art, with oxygen outlet port 2 and CO 2 sampling inlet port 3.
- An oral-nasal cannula 1 generally known in the art, with oxygen outlet port 2 and CO 2 sampling inlet port 3.
- Oxygen outlet port 2 is the end of the oxygen delivery fluid line that delivers oxygen into the patient's oral cavity
- CO 2 sampling inlet port 3 is the end of the fluid line of a capnometry or capnography system through which expired CO 2 enters from a patient's oral cavity.
- Oxygen outlet port 2 and CO 2 sampling inlet port 3 consist of tubular extensions downward from the main body of cannula 1 , bent in a generally perpendicular fashion towards the patient's mouth. In the absence of a bite block, the openings of oxygen outlet port 2 and CO 2 sampling inlet port 3 would rest at the opening to the oral cavity.
- Internal gas channel 10 consists of two parallel adjacently- connected sub-channels, each of semi-circular cross section. Internal gas channel 10 occupies the area under raised top surface 17. Internal gas channel 10 allows the exchange of gas from the proximal end (external to the patient's mouth) of bite block 8 to the distal end (internal to the patient's mouth), and vice versa, without using a significant amount of the cross-sectional area of main oral passage 7, which is reserved for use by the endoscope. As seen in Fig.
- internal gas channel 10 provides a path via one sub-channel for oxygen to flow from oxygen outlet port 2 of an oral-nasal cannula 1 into the patient's mouth and, via the other sub-channel, for CO 2 to flow from the patient's mouth into CO 2 sampling inlet port 3 of cannula 1.
- the sub-channels of internal gas channel 10 can be used interchangeably for either oxygen or CO 2 , depending on where the respective ports are located on cannula 1.
- Oxygen port support 4 and CO 2 port support 5 protrude from proximal surface 21 of flange 14, and proximal from internal gas channel 10.
- Oxygen port support 4 and CO 2 port support 5 also extend in the distal direction for approximately the thickness of flange 14, as best seen in Figs. 1 and 6, partially separating main oral passage 7 and internal gas channel 10.
- Oxygen port support 4 and CO 2 port support 5 each terminate on their proximal ends in an upward- curving quarter-circular shaped feature, which provides a means for more securely locating near the oral cavity oxygen outlet port 2 of the oxygen delivery system and CO 2 sampling inlet port 3 of a capnometry or capnography system.
- Oxygen port support 4 and CO 2 port support 5 are intended to provide a means for protecting the
- oxygen port support and CO 2 port support
- FIG. 7 An alternate embodiment of the present invention, shown in Fig. 7, adds additional functionality by allowing a doctor to insert a finger a short distance into the patient's mouth to help guide the endoscope down into the trachea or esophagus, while again preventing excessive jostling of bite block 8 and cannula 1.
- main body 20 has curved cutouts 23 on its distal end, on both of its sides.
- strap attachment wing extenders 24 integral to flange 14, and extending out on both of its sides, are strap attachment wing extenders 24, each consisting of a thin arced, 'c'-shaped protrusion.
- Cutouts 23 and strap attachment wing extenders 24 are sized and located such that a finger may be inserted through the open side of the 'c' of strap attachment wing extender 24 and past cutout 23 into the patient's mouth. Strap attachment wing extenders 24 also locate the strap attachment wings 6 such that the strap is not in the way of a finger. In this manner, a doctor would be able to easily guide an endoscope with a finger without using any of the cross sectional area of main oral passage 7, and without too much jostling of bite block 8 and cannula 1.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Emergency Medicine (AREA)
- Hematology (AREA)
- Otolaryngology (AREA)
- Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Endoscopes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94170707P | 2007-06-04 | 2007-06-04 | |
PCT/US2008/065630 WO2008151180A1 (en) | 2007-06-04 | 2008-06-03 | Endoscopic bite block for use with cannula |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2164549A1 true EP2164549A1 (en) | 2010-03-24 |
EP2164549A4 EP2164549A4 (en) | 2016-03-23 |
Family
ID=40086767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08756647.7A Withdrawn EP2164549A4 (en) | 2007-06-04 | 2008-06-03 | Endoscopic bite block for use with cannula |
Country Status (7)
Country | Link |
---|---|
US (1) | US8028704B2 (en) |
EP (1) | EP2164549A4 (en) |
JP (1) | JP5518700B2 (en) |
CN (1) | CN101678185B (en) |
AU (1) | AU2008259772B8 (en) |
CA (1) | CA2690065C (en) |
WO (1) | WO2008151180A1 (en) |
Families Citing this family (25)
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EP2227282A1 (en) * | 2007-11-25 | 2010-09-15 | Oridion Medical (1987) Ltd. | Improved endoscopic bite block |
US8651102B2 (en) * | 2008-01-28 | 2014-02-18 | Donald F. Guillette | Emergency ventilation apparatus, system, and method |
JP5385599B2 (en) * | 2008-12-11 | 2014-01-08 | 日本光電工業株式会社 | Byte block |
US20100147298A1 (en) * | 2008-12-12 | 2010-06-17 | A Plus Medical | Infant pacifier fluid delivery device and pacifier assembly |
US20110214670A1 (en) * | 2010-03-02 | 2011-09-08 | Kost Louis G | Bite block |
US8220461B1 (en) | 2011-02-01 | 2012-07-17 | Guerra Phillip B | Oral airway |
US9092559B2 (en) | 2011-08-16 | 2015-07-28 | Ethicon Endo-Surgery, Inc. | Drug delivery system with open architectural framework |
US8684728B1 (en) * | 2011-09-23 | 2014-04-01 | Ryan B. Wiesemann | Dental shield |
BR112015022334A2 (en) | 2013-03-13 | 2017-07-18 | Bracco Diagnostics Inc | adjustable bite blocks |
GB201317499D0 (en) * | 2013-10-03 | 2013-11-20 | Flexicare Medical Ltd | Naso-Oral Device |
US10173023B1 (en) | 2014-02-07 | 2019-01-08 | Victor G. Ghobrial | Oropharyngeal device |
USD754846S1 (en) * | 2014-08-13 | 2016-04-26 | Gi Supply, Inc. | Medical bite block |
USD754847S1 (en) * | 2014-08-13 | 2016-04-26 | Gi Supply, Inc. | Medical bite block |
US10010313B2 (en) | 2015-05-18 | 2018-07-03 | Richard L. Arden | Mandibular subluxation device and method |
US10258319B2 (en) | 2015-05-18 | 2019-04-16 | Richard L. Arden | Airway assist device and method |
US10342526B2 (en) | 2015-07-01 | 2019-07-09 | Richard L. Arden | Airway assist device and method |
CA3039784A1 (en) | 2016-10-13 | 2018-04-19 | Hollister Incorporated | Endotracheal tube holding device |
CN107088047B (en) * | 2017-06-19 | 2018-12-25 | 朱司军 | Safety medical treatment opener |
CN107595452B (en) * | 2017-10-26 | 2023-10-24 | 刘奕博 | Oral cavity sheath for drug inhalation |
JP7064920B2 (en) * | 2018-03-27 | 2022-05-11 | 日本光電工業株式会社 | Respiratory aid |
CN108392714B (en) * | 2018-04-12 | 2024-01-30 | 太仓市第一人民医院 | Multifunctional laryngoscope lens with tooth pad function and capable of removing dirt and working method thereof |
CN110477971A (en) * | 2019-09-03 | 2019-11-22 | 上海市胸科医院 | Sheath structure, trans- bronchoscope and its application method |
CN110898307A (en) * | 2019-12-31 | 2020-03-24 | 合肥达米医疗科技有限公司 | Painless gastroscope ventilation device |
USD940300S1 (en) * | 2020-04-28 | 2022-01-04 | John Neil Haugsrud | Mouthpiece |
CN113768504B (en) * | 2021-09-15 | 2023-09-19 | 首都儿科研究所 | Multifunctional convulsion tooth protection biting force testing device and testing method |
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-
2008
- 2008-06-03 US US12/132,081 patent/US8028704B2/en not_active Expired - Fee Related
- 2008-06-03 EP EP08756647.7A patent/EP2164549A4/en not_active Withdrawn
- 2008-06-03 WO PCT/US2008/065630 patent/WO2008151180A1/en active Application Filing
- 2008-06-03 JP JP2010511274A patent/JP5518700B2/en not_active Expired - Fee Related
- 2008-06-03 CA CA2690065A patent/CA2690065C/en not_active Expired - Fee Related
- 2008-06-03 CN CN2008800188808A patent/CN101678185B/en not_active Expired - Fee Related
- 2008-06-03 AU AU2008259772A patent/AU2008259772B8/en not_active Ceased
Non-Patent Citations (1)
Title |
---|
See references of WO2008151180A1 * |
Also Published As
Publication number | Publication date |
---|---|
US8028704B2 (en) | 2011-10-04 |
CA2690065C (en) | 2016-01-19 |
AU2008259772B8 (en) | 2014-02-20 |
WO2008151180A1 (en) | 2008-12-11 |
JP2010528772A (en) | 2010-08-26 |
AU2008259772A1 (en) | 2008-12-11 |
US20080295849A1 (en) | 2008-12-04 |
CA2690065A1 (en) | 2008-12-11 |
JP5518700B2 (en) | 2014-06-11 |
EP2164549A4 (en) | 2016-03-23 |
AU2008259772B2 (en) | 2014-02-06 |
AU2008259772A8 (en) | 2014-02-20 |
CN101678185A (en) | 2010-03-24 |
CN101678185B (en) | 2012-06-27 |
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